Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

122 results about "Waterstop" patented technology

A waterstop is an element of a concrete structure, intended to prevent the passages of fluids (such as water) when embedded in and running continuously through concrete joints. Waterstops are grouped in two distinct categories. Waterstops for joints without any movement of the adjoint concrete sections (construction cold joints) and waterstops for joints with movement of the adjoint concrete sections (dilation joints).

Waterstop protective winding device

ActiveCN224477670UStormwaterRocker arm
This utility model discloses a protective winding device for waterstops, including a shielding support assembly, a fixing mechanism, and a winding assembly. The fixing mechanism is mounted on the shielding support assembly; the winding assembly is also mounted on the shielding support assembly and includes a fixing frame, a winding wheel, a rocker arm, and a connecting frame. The fixing frame is installed on the shielding support assembly, the winding wheel is rotatably mounted on the fixing frame via the connecting frame, and the rocker arm passes through the fixing frame and connects to the connecting frame. This effectively reduces direct contact between the waterstop and the slope, preventing direct exposure and corrosion of the waterstop by ultraviolet rays and rainwater, while simultaneously improving the winding and protection effect of the waterstop.
Owner:JINAN URBAN CONSTRUCTION GROUP CO LTD +1

Portable reinforcing steel stop water ring installation device and use method

This invention provides a portable rebar waterstop ring installation device and its usage method, applicable to the field of underground structure waterproofing technology. The device includes a sleeve, a tie rod assembly, and an elastic component. The sleeve is fitted onto the rebar to which the waterstop ring is to be installed, with a connecting portion at one end for inserting the waterstop ring. The elastic component is slidably connected to the connecting portion to push against the waterstop ring. The tie rod assembly is movably connected to the sleeve for contact with the waterstop ring. This invention allows for quick and convenient installation of the waterstop ring on the outside of the rebar, significantly reducing installation difficulty and improving efficiency; it also enhances construction safety; it occupies little space and is suitable for areas with dense rebar distribution; its simple structure makes it easy to manufacture, provides stable connections, and facilitates use and control.
Owner:MCC TIANGONG GROUP TIANJIN CO LTD

A boltless comb-tooth plate noise-reducing and reinforced expansion joint

ActiveCN224431231UExpansion jointRubber sheet
This utility model relates to the field of double rubber strip expansion joint technology, specifically a boltless comb-tooth plate noise-reducing and reinforced expansion joint, including two symmetrical connecting seats. Several anchor plates are provided on the outer wall of the connecting seats. Each anchor plate on the same side has a slot, and a rubber plate is placed in each slot. A waterstop is also provided between the connecting seats. A positioning plate is provided on the bottom of one of the rubber plates, and a stainless steel plate is provided above the protrusion for shielding and protection. This boltless comb-tooth plate noise-reducing and reinforced expansion joint uses two connecting seats and multiple anchor plates in combination. The waterstop is fixed between the two connecting seats by rivets and threaded connections. The two rubber plates are engaged by comb-tooth interlocking, increasing the range of expansion and contraction, reducing shelling and affecting connection and use. With the cooperation of the stainless steel plate, the T-shaped block and the T-slot on the protrusion interlock, achieving the stainless steel plate's interception and protection of the area below the rubber plate.
Owner:HENGSHUI LIANHAI NEW MATERIAL TECHNOLOGY CO LTD

Waterproof and anticorrosive flashing tape for construction joints and preparation method thereof

This invention discloses a waterproof and anti-corrosion waterstop for construction joints and its preparation method, relating to the field of engineering waterstop technology. This invention improves upon traditional waterstops by preventing them from gradually hardening, becoming brittle, or losing their elastic recovery ability during long-term use, thus ensuring that the material maintains high tear strength and elongation at break even after aging, overcoming the shortcomings of insufficient anti-aging synergy in traditional technologies.
Owner:YUYIN TECH CO LTD

Tunnel waterstop

1. The name of the design product: tunnel waterstop. 2. The use of the design product: the design product is used for fastening and sealing between tunnel segments, preventing water seepage and leakage. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:HUNAN CITY UNIV

A connection structure system of anti-floating anchor rod and foundation bottom plate

ActiveCN224468442UThin slabRebar
The utility model discloses a kind of connecting structure system of anti-floating anchor rod and foundation bottom plate, including foundation bottom plate, foundation cushion, anchor rod core, shear bending rib, anchor head steel plate, expansion waterstop, stress dispersion steel plate, sealing paste.The foundation bottom plate is cast-in-place reinforced concrete slab;The foundation cushion is cast-in-place plain concrete thin plate;The anchor rod core is PSB prestressed high-strength steel;The shear bending rib is the anchor head two ends bending U-shaped steel bar arranged in foundation bottom plate;The anchor head steel plate is steel hollow plate, is sleeved on axial PSB prestressed high-strength steel and is fixed together by upper and lower two limiting high-strength bolt connection;The expansion waterstop is set on limiting high-strength bolt;The stress dispersion steel plate is set on foundation cushion;The sealing paste is set in stress dispersion steel plate below.The utility model has the advantages of good corrosion resistance, high anti-permeability, fast construction speed, energy saving and environmental protection, and its technical and economic benefits are outstanding.
Owner:CNBM GEOTECHNICAL ENG JIANGSU CO LTD

Prefabricated assembled ditch

This utility model relates to the field of civil engineering technology, specifically to a prefabricated assembled ditch. The prefabricated ditch body has outwardly protruding wing plates on both sides, with connection holes on the wing plates. The two end faces of the prefabricated ditch body also have reserved grooves for installing rubber waterstops. The advantages of this utility model are: 1) It is prefabricated in a reinforced concrete factory, ensuring controllable quality and precision; 2) The joints of the prefabricated assembled ditch are sealed with rubber waterstops, providing excellent anti-leakage performance; 3) The prefabricated assembled ditch uses bolt connections, which are fast, efficient, and easy to install and dismantle; in some cases, it can be recycled and reused; 4) The outward protrusion of the concrete structure at the joints of the prefabricated assembled ditch forms buttresses, enhancing the rigidity of the ditch sidewalls; 5) It has good reliability, good innovation and application value, and is worthy of promotion.
Owner:CHINA RAILWAY SHANGHAI DESIGN INST GRP CO LTD

A new waterstop size measuring device

The utility model relates to laboratory detection equipment technical field, concretely to a novel water stop size measuring device, including main ruler and the first frame that slides the sleeve is established on main ruler, one end of main ruler is fixedly connected with first measuring claw, one end of first frame is fixedly connected with second measuring claw, second measuring claw is fixedly connected with the auxiliary ruler, the second frame is slidably sleeved on the auxiliary ruler, one end of second frame is fixedly connected with third measuring claw, the lower extreme of third measuring claw is slidably connected with extension claw. The utility model solves the problem of the existing measuring method not only cumbersome operation steps, and the depth ruler and the small product contact area, when its inclination measurement, will bring the measurement error.
Owner:QINGDAO HAILIWEI POLYMER TECH CO LTD

A water tank seepage prevention monitoring structure and its construction method

This application discloses a water tank seepage prevention monitoring structure and its construction method, belonging to the field of concrete construction technology. The seepage prevention structure includes a concrete structure filling the bottom of the joint; a centrally embedded rubber waterstop, embedded in the concrete structure with its upper surface exposed and its two sides extending into the concrete slabs on both sides of the joint; an externally attached rubber waterstop, laid on the surface of the concrete slabs on both sides of the joint, covering the top of the joint; and an alarm device, including: a water-sensitive color-changing and expanding waterstop strip located between the centrally embedded rubber waterstop and the externally attached rubber waterstop, continuously laid along the entire length of the joint, emitting a seepage signal and changing color when seepage occurs; a control circuit board receiving the seepage signal and issuing an indication; an alarm light receiving the indication and illuminating; and a power supply for powering the alarm device. This seepage prevention structure has advantages such as intuitive alarm method, low cost, convenient installation, short construction period, low equipment technical requirements, and accurate location of leakage.
Owner:CHINA CONSTR MUNICIPAL ENG +1

Steel sump for basement and installation construction method thereof

The application discloses a steel water collecting well for a basement and a mounting construction method thereof, and relates to the technical field of prefabricated water collecting wells for basements. The steel water collecting well comprises: an annular well shaft body which is formed by welding a rolled steel plate; a circular steel bottom plate which is welded to the bottom of the annular well shaft body; an annular outer stiffening rib which is fixed to the outer sidewall of the annular well shaft body; two expansion rubber waterstop strips which are pasted to the outer sidewall of the upper end of the annular well shaft body through structural adhesive; and an anti-corrosion composite layer which covers the inner and outer surfaces of the annular well shaft body and the surface of the circular steel bottom plate. A water collecting well pit is formed by artificial hole digging, a circular artificial hole digging retaining wall is arranged, and low-density extruded plates are laid at the bottom of the pit. The steel water collecting well is hoisted and positioned. Graded sand and gravel is used to fill the gaps between the retaining walls. A reinforced ring beam is arranged at the opening of the reinforced concrete raft slab, and the steel water collecting well is fixedly connected with the reinforced concrete raft slab. The application has the advantages of small pit excavation depth, small earthwork volume, fast construction speed, good airtightness, excellent durability and the like.
Owner:YUNNAN UNIV

A precast assembled artificial hand-dug pile protection wall device in karst area

ActiveCN224468365UKarstStructural engineering
The utility model discloses a kind of karst region prefabricated assembly type artificial hole digging pile wall protection device, the device includes a plurality of stacked annulars, each annular is assembled by three arc prefabricated segments, triangular support structure is installed in each annular inner wall, outer wall is equipped with expansion waterstop, through grouting hole is equipped;The left side of the prefabricated segment is equipped with several grooves, and the right side is equipped with the same number of convex as groove, and the prefabricated segment is connected by recessed and convex tenon groove interlocking between the groove;The upper end surface of the prefabricated segment is equipped with arc groove, three arc grooves form annular groove on annular upper end surface, and the lower end surface is equipped with arc convex that is consistent with arc groove, and three arc convex form annular convex on annular lower end surface;Annular groove and annular convex interlocking connection between upper and lower annulars.In construction, wall protection device is installed from top to bottom with earth excavation section by section, when water inrush or fissure, solution cavity, grouting hole is filled in time by grouting to wall back to stop or fill.
Owner:NANJING FORESTRY UNIV +1

GXJ rubber waterstop joint with variable pressure self-clamping and self-loosening and its application method

This invention relates to a variable-pressure self-clamping and self-releasing GXJ rubber waterstop joint and its application method. The joint includes an elliptical hollow rubber body, a clamping assembly, a movable clamping component, a mud-proof assembly, and a rotatable clamping assembly. The elliptical hollow rubber body has a cavity. The clamping assembly achieves primary self-clamping through an elastic element; the movable clamping component moves downwards when the rubber body expands, achieving primary self-releasing. The mud-proof assembly guides mud through a rubber strip and prevents it from entering the clamp groove. The rotatable clamping assembly achieves secondary self-clamping and self-releasing through magnetic attraction or repulsion. This invention solves the problems of high construction difficulty, unstable fixing, high probability of detachment, difficulty in separating from the joint assembly, and easy deformation by the reinforcing cage in GXJ rubber waterstop joints. It also prevents mud from seeping into the groove and damaging the bonding effect of the GXJ rubber waterstop, improving the sealing and waterproofing performance of the joint at the diaphragm wall, and ensuring construction quality and water-stopping effect.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Water-stop steel plate with flexible water-stop belt covered edge

The utility model discloses a waterstop steel plate with a flexible waterstop covered edge, and particularly relates to the technical field of building fire fighting, the waterstop steel plate comprises a waterstop steel plate, two ends of the waterstop steel plate are fixedly connected with waterstop wing plates, the waterstop steel plate is provided with a reinforcing assembly, and the outer sides of the two waterstop wing plates are provided with positioning mechanisms; the reinforcing assembly comprises a plurality of protection transverse rods, the protection transverse rods are fixedly connected with the two sides of the water stop steel plate, and the two sides of the water stop steel plate are fixedly connected with a plurality of protection vertical rods. By arranging the reinforcing assembly and the positioning mechanism, the bending rigidity of the outer side and the inner side of the water-stop steel plate can be improved, the deformation risk of the water-stop steel plate caused by local stress concentration can be reduced, the deformation resistance of the water-stop steel plate is enhanced, meanwhile, the secondary waterproof effect can be achieved on the outer sides of the two water-stop wing plates, and the service life of the water-stop steel plate is prolonged. And the leakage problem caused by the problem that concrete at the construction joint is not compact can be effectively controlled, and the overall sealing performance can be improved.
Owner:CHINA SHANXI SIJIAN GRP

Partitioned waterproof shield tunnel waterproof structure

The utility model belongs to tunnel engineering technical field, concretely relates to a kind of zoned waterproof shield tunnel waterproof structure, including the ring gap waterproof system being arranged in shield tunnel ring gap and the longitudinal joint waterproof system being arranged in shield tunnel longitudinal joint;Longitudinal joint waterproof system includes the first outer side sealing pad being arranged close to water-facing surface and the first inner side sealing pad and / or first water-swelling waterstop being arranged in the backwater side of first outer side sealing pad, the corner water-swelling waterstop of both ends corner portion in the backwater side of first outer side sealing pad is evenly provided with, the water-facing end of corner water-swelling waterstop is equipped with the first increasing portion that can be filled with the gap between it and first outer side sealing pad after water-swelling completely.This utility model is by setting corner water-swelling waterstop in the corner portion of the longitudinal joint of shield segment, realize ring longitudinal zoned waterproof, can timely pinpoint leakage point after joint leakage, improve repair efficiency, ensure the safety of shield tunnel construction operation stage.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD

Elastomeric waterstop and method of processing the same

PendingCN122327612AElastomerExpansion joint
This invention discloses a water-stopping expansion joint device filled with an elastomer and its processing method, relating to the technical field of bridge expansion joints. The device includes an integral steel section comprising two steel sections arranged opposite each other, with the inner side of the two steel sections partially interlocked to form a receiving space. Multiple reinforcing bars are fixed to each steel section within the receiving space. An elastomer is formed by injecting liquid into the receiving space and then solidifying it, with each reinforcing bar at least partially encased by the elastomer. The processing method includes first processing the two steel sections and fixing the reinforcing bars, welding anchor plates, then interlocking the steel sections with gaps, sealing the receiving space, and finally injecting the elastomer. This enhances the anchoring force and pull-out strength of the elastomer, and reduces the pull-out separation of the elastomer.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST +2

Tunnel comprehensive waterproof and drainage system

This invention relates to the field of tunnel construction technology and provides a comprehensive tunnel drainage and waterproofing system, comprising: a waterproof layer laid between the initial support and secondary lining of the tunnel; blind pipes installed between the waterproof layer and the initial support; the blind pipes include circumferential blind pipes and longitudinal blind pipes; the circumferential blind pipes are arranged circumferentially along the tunnel, and multiple circumferential blind pipes are arranged alternately along the longitudinal direction of the tunnel; the longitudinal blind pipes are arranged along the longitudinal direction of the tunnel; waterstops include circumferential waterstops and longitudinal waterstops; the circumferential waterstops are laid on the circumferential structural joints of the secondary lining, and the longitudinal waterstops are laid on the longitudinal structural joints of the secondary lining; and a drainage ditch located below the inner track surface of the tunnel and extending longitudinally along the tunnel, with the outlets of both the circumferential and longitudinal blind pipes connected to the drainage ditch. This configuration constitutes a comprehensive drainage and waterproofing system integrating barrier and drainage, effectively solving the problems of water accumulation and leakage caused by a single waterproofing system, and ensuring the service life and structural stability of the tunnel.
Owner:CHINA RAILWAY 19TH BUREAU GRP EAST CHINA ENG CO LTD

Construction positioning device and method for transverse joint waterstop system of roller compacted concrete dam

PendingCN122280119AAvoid the risk of heat damageImprove cleanlinessRoller-compacted concreteArchitectural engineering
This invention relates to a construction positioning device and method for a roller-compacted concrete dam transverse joint water-stopping system. The device includes a main frame, a positioning mechanism, and a roll-up mechanism. The main frame has panels on both its top and bottom surfaces. The positioning mechanism includes a guide sleeve, a positioning element, and fasteners. The fasteners are located on the outer wall of the guide sleeve and are used to clamp the positioning element. The roll-up mechanism includes a drum body, a rotating shaft, and a water-stopping element. The water-stopping element is located on the surface of the drum body to allow it to be embedded into a preset position as construction progresses. This device solves the problems of interference and material waste during the construction of multiple dam sections, enabling collaborative operation and green construction of the water-stopping system; it overcomes the drawbacks of traditional drainage hole construction techniques, achieving precise molding without pre-embedded pipes; and it solves the problems of chaotic on-site stacking of water-stopping materials and welding damage, ensuring the construction quality of the water-stopping system.
Owner:中国水利水电第七工程局有限公司

Rockfill dam copper waterstop protection device

ActiveCN224338174Unot destroyDoes not affect constructionClimate change adaptationEarth-fill damsStructural engineeringWaterstop
The utility model discloses a kind of copper water stop protection devices of rock-fill dam, including multiple mounting seats and protective cover, each the mounting seat is supported on the dam face of rock-fill dam, and all be located on the side of copper water stop on dam face, each the mounting seat is arranged along the gradient direction of dam face with interval, the uppermost mounting seat is fixed on the top surface of rock-fill dam, each the protective cover is respectively installed on adjacent mounting seat, and each the protective cover is sequentially arranged along the gradient direction of dam face, and cover and set in the upper of copper water stop.This rock-fill dam copper water stop protection device does not damage the dam face structure of rock-fill dam, does not affect pouring concrete construction and dismounting convenient of other side of copper water stop.
Owner:SINOHYDRO BUREAU 8 CO LTD

A rubber waterstop reinforcing system and a method for reinforcing construction joints

The application discloses a rubber waterstop reinforcing system and a method for reinforcing construction joints, and the system comprises: a waterstop pressing unit located on one side of a pre-buried limiting unit, which comprises a first overhanging end waterstop positioner and a second overhanging end waterstop positioner vertically arranged on the upper and lower sides; a positioning frame unit comprises: a U-shaped frame structure located on the side of the first overhanging end waterstop positioner away from the pre-buried limiting unit, and the opening of the U-shaped frame structure is connected with the first overhanging end waterstop positioner; a two-point support structure located on the side of the second overhanging end waterstop positioner away from the pre-buried limiting unit, and the two-point support structure is symmetrically distributed about the central axis of the second overhanging end waterstop positioner; and an external active reinforcing unit arranged on the side of the positioning frame unit away from the waterstop pressing unit, so as to externally press the positioning frame unit. The application realizes high-precision, zero-displacement and verifiable installation of the rubber waterstop, and significantly improves the waterproof quality of the structural joints.
Owner:MUNICIPAL ENVIRONMENTAL PROTECTION ENG CO LTD OF CREC SHANGHAI GRP

A pressing positioning mechanism for a joint waterstop of a foundation pit underground continuous wall

The utility model provides a kind of foundation pit underground continuous wall joint water stop pressurizing positioning mechanism, including base, frame, fixed part, the edge of base is inserted with frame, the both sides of base are inserted with fixed part, the fixed part is threadedly connected with frame, the top of frame is fixedly connected with top plate, the movable joint of frame is connected with pressing plate, the edge of the bottom surface of pressing plate is fixedly connected with pressing rim, the top surface of pressing plate is fixedly connected with hydraulic cylinder, the end of the output end of hydraulic cylinder is fixedly connected with top plate by flange.The utility model has the advantages of: evenly press tightly: when hydraulic cylinder drives pressing plate to press down, circumferential array's pressing claw forces synchronously, overcome the stress concentration problem of traditional single-point pressure, realize that water stop is evenly pressed tightly all around, quickly disassembles and assembles: frame and base use insertion structure, cooperate both sides with pad hexagon bolt fast locking;After construction is completed, loosen bolt can whole frame be pulled out, without dismantling by component.
Owner:NINGBO WIDE AREA CONSTR CO LTD

A method for fixing a rubber waterstop with embedded steel edges in a deformation joint of a ring-shaped chamber

The application relates to a fixing construction method of a steel edge rubber waterstop belt in a ring-shaped chamber deformation joint, wherein after the binding of structural steel bars in a to-be-poured concrete structure is completed, the steel edge rubber waterstop belt is installed; a wooden box is installed on the outside of the to-be-poured concrete structure, and the wooden box is clamped at one end of the steel edge rubber waterstop belt extending out of the to-be-poured concrete structure; a special clamp is installed in the wooden box to clamp the steel edge rubber waterstop belt; concrete is poured in the to-be-poured concrete structure, and the lower concrete of the steel edge rubber waterstop belt is fully vibrated and compacted; after the pouring of the concrete is completed, the special clamp and the wooden box are removed; thus, the installation of the wooden box and the fixing of the steel edge rubber waterstop belt by using the special clamp can reduce the influence of the concrete impact force and the vibration force of a vibrating rod on the embedded steel edge rubber waterstop belt during the pouring of the concrete structure, improve the construction quality, reduce the leakage risk at the deformation joint, and reduce the economic loss caused by the repair.
Owner:CHINA MCC20 GRP CORP LTD

A waterstop steel plate positioning tool

ActiveCN224478730UWater stopRebar
The utility model discloses a water stop steel plate positioning tool, including the support pole of horizontal arrangement, be provided with first stop piece, second stop piece and locking piece on the support pole, first stop piece and second stop piece can be detachable connection with corresponding wall body main muscle respectively, locking piece is used for fixing water stop steel bar. The utility model can improve the positioning accuracy of water stop steel plate, and positioning tool can dismantle, reduce the risk of water stop steel plate and wall body main muscle damage, to guarantee the engineering quality.
Owner:北京建工一建工程建设有限公司

Modular waterstop structure for dam seepage

ActiveCN224412446Uextrusion stabilityeasy to useWater stopConnection - action
The utility model provides a modularization water stop structure for dike seepage prevention relates to seepage prevention water stop structure field, include: seepage prevention module, seepage prevention module is composed of seepage prevention board, connecting frame and locking spiral piece, through the cooperation of locking spiral piece and connecting frame, can realize the function that will adjacent seepage prevention board tightly spliced, thereby guaranteeing that water stop seal band can be stably extruded, seal the gap between adjacent seepage prevention board, use stability, seepage prevention water stop effect is extremely good, connecting frame can give seepage prevention board in locking process stable locking intensity transmission, guarantee the stable high efficiency of connecting action, solved the seepage prevention water stop module when splicing use does not have locking structure, namely does not have the function that will adjacent module tightly lock splicing, this leads to the problem that the gap between modules is easy to remain, reduces the effect of seepage prevention water stop.
Owner:ZIBO HONGBO PROJECT MANAGEMENT CO LTD

An auxiliary fixing device for the construction of post-pouring strip sealing mesh

ActiveCN224432054USchematic mapsSlide plate
This utility model discloses a structural schematic diagram of an auxiliary fixing device for the construction of post-pouring strip finishing mesh. This device relates to the field of post-pouring strip finishing mesh construction technology and solves the problem of unstable welding during the construction of finishing mesh in the prior art. The device is used to fix the finishing mesh in a waterstop plate, and a distance adjuster is installed in the waterstop plate. The finishing mesh is pre-fixed in the waterstop plate through the distance adjuster, facilitating welding of the finishing mesh onto the waterstop plate. The distance between the abutment plate in the distance adjuster is adjustable to fix finishing meshes of different thicknesses. In addition, the device includes a support member, which ensures the stability of the finishing mesh through diagonal bracing. An extension plate is provided at the end of the support member, and a sliding plate is slidably connected to the extension plate, thus increasing the stress-bearing area of ​​the finishing mesh, preventing damage to the finishing mesh, and ensuring the construction quality and effect of the post-pouring strip finishing mesh.
Owner:CHINA OVERSEAS CONSTR LTD

Waterproof structure of building height difference joint deformation joint

The utility model discloses a kind of waterproof structures of building height difference handover deformation joint, including deformation joint body, the deformation joint body is set in the junction between first building and second building, including horizontal deformation joint and vertical deformation joint;First waterstop, the first waterstop is arranged in the horizontal deformation joint;Second waterstop, the second waterstop is arranged in the vertical deformation joint;Effectively enhanced the waterproof performance of overhead corridor and building height difference junction, rainwater is blocked into deformation joint from physical level, meet the deformation of overhead corridor and building height difference junction junction, prevent rainwater seepage, effectively cope with the problem of the loss of individual layer waterproof material caused by construction, weather or aging etc.
Owner:CHINA CONSTRUCTION ZHUGAO (GUANGDONG) DESIGN CONSULTING CO LTD

An assembled channel water stop connecting structure

The utility model discloses a kind of assembled channel waterstop connecting structures, including cement water drain groove, the rear end outer surface of the cement water drain groove is fixedly installed with lap joint component, the front end outer surface of the cement water drain groove is fixedly installed with receiving component, the receiving component includes concrete limit block, sealing strip, limit pin, threaded hole and first embedded steel, the lap joint component includes concrete pressing block, second embedded steel, limit hole and bolt head limit hole, between the cement water drain groove, concrete pressing block and concrete limit block is integrally casted and formed.The utility model discloses a kind of assembled channel waterstop connecting structures, by the receiving component and lap joint component of being set, the stability after cement water drain groove assembly is facilitated to increase, by the sealing strip of being set, after cement water drain groove assembly, sealing strip can improve sealing property.
Owner:KASHI MINGSHENG CONSTR TECH CO LTD

A positioning clamp for a waterstop and a positioning system for a waterstop.

ActiveCN224432564UPositioning systemLateral move
This utility model relates to the field of waterstop construction technology, and particularly to a positioning clamp and a positioning system for a waterstop. The positioning clamp includes: a base, which is detachably connected to a side mold, and has an adjusting plate that can move laterally; a first clamping mechanism arranged longitudinally, clamping the adjusting plate at the end away from the base; and a second clamping mechanism arranged laterally, connected to the top of the first clamping mechanism, and used to clamp the waterstop. The base is detachably connected to the side mold, which facilitates quick installation and removal of the positioning clamp on the side mold. The adjusting plate can move laterally on the base. The first clamping mechanism clamps the adjusting plate, and the second clamping mechanism is connected to the top of the first clamping mechanism. After the second clamping mechanism clamps the waterstop, the lateral distance between the waterstop and the side mold is adjusted by the lateral movement of the adjusting plate, thereby achieving the positioning of the waterstop.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +1

Buried waterstop in tunnel joint and tunnel structure

ActiveCN224413661Uavoid stress concentrationImprove form matching capabilitiesStructural engineeringWaterstop
The utility model relates to tunnel joint waterproof technology field discloses a kind of tunnel joint middle buried type waterstop and tunnel structure. Tunnel joint middle buried type waterstop, including first waterstop unit and second waterstop unit, first waterstop unit includes first drainage part and first plate body part, and second waterstop unit includes second drainage part and second plate body part;First waterstop unit and second waterstop unit are nested clamping by first drainage part and second drainage part between, to realize the detachable rotation connection layout between first waterstop unit and second waterstop unit, and the nested clamping portion between first waterstop unit and second waterstop unit has drainage hole. The included angle of middle buried type waterstop can be adjusted according to the actual angle of corner, relative to the corner shape of different section connecting position, section position of expansion of traditional linear middle buried type waterstop, reduce the torsional bending of waterstop, reduce stress, improve waterproof effect and service life.
Owner:CHINA STATE RAILWAY GRP CO LTD +2